package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("Category: {}",category);
        categoryService.save(category);
        return R.success("新增菜品分类成功!");
    }

    //分页
    @GetMapping("/page")
    public R<Page> Page(int page,int pageSize){
        //分页条件构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //查询条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        lqw.orderByAsc(Category::getSort);

        //进行分页查询
        categoryService.page(pageInfo,lqw);
        //返回数据
        return R.success(pageInfo);
    }

    //删除分类
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类,id为: {}",id);

        //categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    //修改分类
    @PutMapping
    public R<String> updateById(@RequestBody Category category){
        log.info("修改分类信息: {}",category);

        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    //菜品管理，菜品分类下拉数据获取
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //创建条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //设置查询条件
        lqw.eq(category.getType() != null,Category::getType,category.getType());
        //设置排序规则
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        //执行查询
        List<Category> list = categoryService.list(lqw);
        return R.success(list);
    }
}
